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Gray/Portland, ME Local Forecast Office

14NM NE Portsmouth NH

Marine Point Forecast

[NOTICE]
    • Late Afternoon

      Late Afternoon:NW wind around 15 kt, with gusts as high as 20 kt. Rain likely.   Seas 1 ft or less.

      High: 47 °F

      NW 15kt
      < 1ft

    • Tonight

      Tonight:W wind 5 to 10 kt, with gusts as high as 20 kt. Rain likely, mainly before 8pm.   Seas 1 ft or less.

      Low: 35 °F

      W 10kt
      < 1ft

    • Monday

      Monday:Variable winds 5 kt or less. A chance of showers, mainly after 3pm.   Seas 1 ft or less.

      High: 47 °F

      Light Wind
      < 1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

      Low: 32 °F

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

      High: 43 °F

      Light Wind
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Low: 36 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

      High: 46 °F

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

      Low: 39 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.

      High: 52 °F

      Light Wind
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:51 pm EDT Apr 19, 2026
Forecast Valid: 5pm EDT Apr 19, 2026-6pm EDT Apr 26, 2026

View Nearby Observations

Detailed Forecast


Late Afternoon
NW wind around 15 kt, with gusts as high as 20 kt. Rain likely. Seas 1 ft or less.
Tonight
W wind 5 to 10 kt, with gusts as high as 20 kt. Rain likely, mainly before 8pm. Seas 1 ft or less.
Monday
Variable winds 5 kt or less. A chance of showers, mainly after 3pm. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Tuesday
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Wednesday
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Thursday
Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.

Winds and seas higher in and near tstms.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 43.25°N 70.58°W
Last Update: 2:51 pm EDT Apr 19, 2026
Forecast Valid: 5pm EDT Apr 19, 2026-6pm EDT Apr 26, 2026
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